(Reuters) - U.S. mail management company Pitney Bowes Inc (PBI.N) has received takeover interest from private equity firms Blackstone Group LP (BX.N) and Carlyle Group LP (CG.O), according to the Financial Times, citing a Bloomberg report. on.ft.com/2muFfyo

Pitney’s shares closed up nearly 15 percent on Thursday.

“We do not comment on rumors or speculation,” a Pitney Bowes spokeswoman told Reuters.

Blackstone declined to comment, while Carlyle could not be immediately reached for comment.

Reporting by Sonam Rai in Bengaluru and Joshua Franklin in New York; Editing by Maju Samuel